Gold nanoparticle-porphyrin self-assembled multistructures for photoelectric conversion

Sunao Yamada, Takashi Tasaki, Tsuyoshi Akiyama, Nao Terasaki, Satoshi Nitahara

Research output: Contribution to journalConference article

22 Citations (Scopus)

Abstract

Multistructure assemblies consisting of porphyrin and gold nanoparticles have been fabricated on an indium-tin-oxide electrode by using alternate gold-sulfur self-assembling. Structural and morphological characterizations of the assemblies have been carried out by absorption spectra and scanning electron micrographs. The results verified that the degree of each self-assembling was considerably lower than monolayer level. The assemblies exhibit clear photocurrent responses ascribing to photoexcitation of porphyrin in the presence of oxygen as a sacrificial electron acceptor. The photocurrent was larger for higher number of assembling cycles.

Original languageEnglish
Pages (from-to)70-74
Number of pages5
JournalThin Solid Films
Volume438-439
DOIs
Publication statusPublished - Aug 22 2003
EventThe 5th International Conference on Nano-Molecular Electronics - Kobe, Japan
Duration: Dec 10 2002Dec 12 2002

Fingerprint

Porphyrins
assembling
porphyrins
Gold
assemblies
gold
Nanoparticles
Photocurrents
nanoparticles
photocurrents
Electrons
Photoexcitation
Tin oxides
photoexcitation
Sulfur
indium oxides
Indium
tin oxides
Absorption spectra
Monolayers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Gold nanoparticle-porphyrin self-assembled multistructures for photoelectric conversion. / Yamada, Sunao; Tasaki, Takashi; Akiyama, Tsuyoshi; Terasaki, Nao; Nitahara, Satoshi.

In: Thin Solid Films, Vol. 438-439, 22.08.2003, p. 70-74.

Research output: Contribution to journalConference article

Yamada, Sunao ; Tasaki, Takashi ; Akiyama, Tsuyoshi ; Terasaki, Nao ; Nitahara, Satoshi. / Gold nanoparticle-porphyrin self-assembled multistructures for photoelectric conversion. In: Thin Solid Films. 2003 ; Vol. 438-439. pp. 70-74.
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